Upgrading GlusterFS
-------------------
-   [About op-version](./op_version.md)

If you are using GlusterFS version 3.10.x or above, you can upgrade it to the following:
-   [Upgrading to 4.0](./upgrade_to_4.0.md)
-   [Upgrading to 3.13](./upgrade_to_3.13.md)
-   [Upgrading to 3.12](./upgrade_to_3.12.md)


If you are using GlusterFS version 3.4.x or above, you can upgrade it to following:

-   [Upgrading to 3.5](./upgrade_to_3.5.md)
-   [Upgrading to 3.6](./upgrade_to_3.6.md)
-   [Upgrading to 3.7](./upgrade_to_3.7.md)
-   [Upgrading to 3.9](./upgrade_to_3.9.md)
-   [Upgrading to 3.10](./upgrade_to_3.10.md)
-   [Upgrading to 3.11](./upgrade_to_3.11.md)
-   [Upgrading to 3.12](./upgrade_to_3.12.md)
-   [Upgrading to 3.13](./upgrade_to_3.13.md)